<!DOCTYPE html>
<html>
<head>
    <meta charset="UTF-8">
    <title>Servlet request</title>
</head>
<body>
<h1>Servlet request</h1>
<hr>

<br/>
<div>
    <form action="hello" method="get">
        <input type="text" name="username" value="zhangsan"/>
        <input type="password" name="password" value="123456"/>
        <input type="submit" value="提交"/>
    </form>
</div>
</body>
</html>